VBK vs XMMO overlap - what they share and where they differ
VBK and XMMO share 17.0% of their weight across 36 common positions, read from what each fund reported to the SEC.
Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.
VBK and XMMO
17.0%
36 shared positions
VBK
VANGUARD SMALL-CAP GROWTH INDEX FUND
Reported positions cover 100% of the fund, 536 positions · Jun 30, 2026
Top 10: 9.3%·Holdings of VBK
XMMO
Invesco S&P MidCap Momentum ETF
Reported positions cover 100% of the fund, 76 positions · Apr 30, 2026
Top 10: 27.9%·Holdings of XMMO
Reported positions cover VBK 100%, XMMO 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
XMMO vs VBK side by side
VBKVANGUARD SMALL-CAP GROWTH INDEX FUND
536
stock positions reported to the SEC
82.8% of its weight is in 500 names XMMO does not hold
XMMOInvesco S&P MidCap Momentum ETF
76
stock positions reported to the SEC
36.9% of its weight is in 40 names VBK does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Healthcare: VBK has 10.6 points more of it.
The figures side by side
| VBK | XMMO | |
|---|---|---|
| Filing date | Jun 30, 2026 | Apr 30, 2026 |
| Stock positions reported | 536 | 76 |
| Weight of the ten largest | 9.3% | 27.9% |
| Largest position | CRDO 1.3% | CW 3.9% |
| Held alone | 500 positions, 82.8% | 40 positions, 36.9% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In VBK | In XMMO | Counted |
|---|---|---|---|
| CRSCarpenter Technology Corp | 0.82% | 1.74% | 0.82% |
| CWCurtiss-Wright Corp | 0.79% | 3.91% | 0.79% |
| NVENT ELECTRIC PLC | 0.77% | 2.32% | 0.77% |
| ATIATI Inc | 0.76% | 2.63% | 0.76% |
| FTITechnipFMC PLC | 0.74% | 3.60% | 0.74% |
| MTZMasTec Inc | 0.74% | 2.26% | 0.74% |
| MTSIMACOM Technology Solutions Holdings Inc | 0.73% | 1.49% | 0.73% |
| WWDWoodward Inc | 0.71% | 2.58% | 0.71% |
| STRLSterling Infrastructure Inc | 0.69% | 2.16% | 0.69% |
| RBARB Global Inc | 0.61% | 1.50% | 0.61% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in VBK
Only in XMMO
Questions people ask
Is VBK the same as XMMO?
17.0% of their weight sits in the same 36 holdings. VBK also reports CRDO, RVMD, ALAB, which the other does not. XMMO also reports FLEX LTD., MLI, APG, which the other does not.
How is the overlap between VBK and XMMO measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 100% of VBK and 100% of XMMO, so the number cannot exceed the smaller coverage.
Which holds more, XMMO or VBK?
VBK reports 536 stock positions and XMMO reports 76. 82.8% of VBK's weight sits in names XMMO does not hold, and 36.9% of XMMO's weight in names VBK does not hold. The ten largest positions are 9.3% of VBK and 27.9% of XMMO.
How do VBK and XMMO differ by sector?
The widest gap is Healthcare: VBK has 10.6 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.
Where do the numbers come from?
From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.
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Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.